Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Jun. 30, 2011
Current Assets:
Cash and cash equivalents	$ 39,305	$ 17,910
Restricted cash	2,400	2,400
Accounts receivable	362	13
Inventories	685	626
Prepaid expenses and other current assets	307	381
Total current assets	43,059	21,330
Property, plant and equipment, net	53,826	54,020
Goodwill	12,752	13,265
Intangible assets, net	37	42
Other assets	1,027	821
Total assets	110,701	89,478
Current Liabilities:
Accounts payable	2,225	2,405
Accrued expenses	2,411	2,696
Current portion of long-term debt	5,276	2,274
Deferred revenue	2,702	2,706
Total current liabilities	12,614	10,081
Long-term debt, less current portion	25,743	20,413
Deferred revenue	3,897	5,412
Total liabilities	42,254	35,906
Contingencies (Note 9)
Stockholders' Equity:
Preferred stock, $0.01 par value, 50,000,000 shares authorized as of December 31, 2011; none issued or outstanding as of December 31, 2011 and June 30, 2011
Common stock, $0.01 par value, 250,000,000 shares authorized as of December 31, 2011; 73,044,651 and 63,924,403 shares issued, and 73,015,981 and 63,905,053 shares outstanding as of December 31, 2011 and June 30, 2011, respectively	730	639
Additional paid-in-capital	207,304	169,590
Accumulated deficit	(142,887)	(120,332)
Accumulated other comprehensive income	3,440	3,775
Treasury stock, at cost, 28,670 and 19,350 shares as of December 31, 2011 and June 30, 2011, respectively	(140)	(100)
Total stockholders' equity	68,447	53,572
Total liabilities and stockholders' equity	$ 110,701	$ 89,478